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<div class="header">
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>The class managers a buffer which used to store data form bus and privide data to waveform.  
 <a href="class_cyclic_buffer_controller.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a2db3ad4287240ffc52c0536c2589b9d1"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#a2db3ad4287240ffc52c0536c2589b9d1">CyclicBufferController</a> ()</td></tr>
<tr class="separator:a2db3ad4287240ffc52c0536c2589b9d1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acd7665ef52411a62d47cdde4639052b1"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#acd7665ef52411a62d47cdde4639052b1">~CyclicBufferController</a> ()</td></tr>
<tr class="separator:acd7665ef52411a62d47cdde4639052b1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a419f448d18c442430f798e0408e3894b"><td class="memItemLeft" align="right" valign="top">unsigned int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#a419f448d18c442430f798e0408e3894b">getWritableSize</a> ()</td></tr>
<tr class="memdesc:a419f448d18c442430f798e0408e3894b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get size of remaining buffer which can be written data.  <a href="#a419f448d18c442430f798e0408e3894b">More...</a><br /></td></tr>
<tr class="separator:a419f448d18c442430f798e0408e3894b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7e151b044dff0a4f4cedc0858c6fee2e"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#a7e151b044dff0a4f4cedc0858c6fee2e">initializeDataBuf</a> (unsigned int bufSize)</td></tr>
<tr class="memdesc:a7e151b044dff0a4f4cedc0858c6fee2e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialize data buffer, allocate memory which size is determined by input parameter.  <a href="#a7e151b044dff0a4f4cedc0858c6fee2e">More...</a><br /></td></tr>
<tr class="separator:a7e151b044dff0a4f4cedc0858c6fee2e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6008ed913714ccd961bd8206d152cae2"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#a6008ed913714ccd961bd8206d152cae2">readData</a> ()</td></tr>
<tr class="memdesc:a6008ed913714ccd961bd8206d152cae2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read data form buffer, a packet one time.  <a href="#a6008ed913714ccd961bd8206d152cae2">More...</a><br /></td></tr>
<tr class="separator:a6008ed913714ccd961bd8206d152cae2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a15df81f47300dc02f6316b48d5fb9f14"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#a15df81f47300dc02f6316b48d5fb9f14">releaseBuf</a> ()</td></tr>
<tr class="memdesc:a15df81f47300dc02f6316b48d5fb9f14"><td class="mdescLeft">&#160;</td><td class="mdescRight">Free the buffer memory.  <a href="#a15df81f47300dc02f6316b48d5fb9f14">More...</a><br /></td></tr>
<tr class="separator:a15df81f47300dc02f6316b48d5fb9f14"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:add639f0a5fe5c958ae8b08b5611b1c4c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#add639f0a5fe5c958ae8b08b5611b1c4c">writeData</a> (const char *writedData, unsigned int dataSize)</td></tr>
<tr class="memdesc:add639f0a5fe5c958ae8b08b5611b1c4c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Write data to data buffer.  <a href="#add639f0a5fe5c958ae8b08b5611b1c4c">More...</a><br /></td></tr>
<tr class="separator:add639f0a5fe5c958ae8b08b5611b1c4c"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr class="memitem:ab674beb0bdec4270bf9a246e82d0ee11"><td class="memItemLeft" align="right" valign="top">char&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#ab674beb0bdec4270bf9a246e82d0ee11">m_dataBuf</a> [80960]</td></tr>
<tr class="memdesc:ab674beb0bdec4270bf9a246e82d0ee11"><td class="mdescLeft">&#160;</td><td class="mdescRight">data buffer to store data read from bus  <a href="#ab674beb0bdec4270bf9a246e82d0ee11">More...</a><br /></td></tr>
<tr class="separator:ab674beb0bdec4270bf9a246e82d0ee11"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a79cbb344fe0a76309520376cc382d509"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#a79cbb344fe0a76309520376cc382d509">m_endPtr</a></td></tr>
<tr class="memdesc:a79cbb344fe0a76309520376cc382d509"><td class="mdescLeft">&#160;</td><td class="mdescRight">end pointer of data buffer  <a href="#a79cbb344fe0a76309520376cc382d509">More...</a><br /></td></tr>
<tr class="separator:a79cbb344fe0a76309520376cc382d509"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad4f0789743dbcc35d67df9d8622e4f2a"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#ad4f0789743dbcc35d67df9d8622e4f2a">m_readPtr</a></td></tr>
<tr class="memdesc:ad4f0789743dbcc35d67df9d8622e4f2a"><td class="mdescLeft">&#160;</td><td class="mdescRight">pointer used to read data form buffer  <a href="#ad4f0789743dbcc35d67df9d8622e4f2a">More...</a><br /></td></tr>
<tr class="separator:ad4f0789743dbcc35d67df9d8622e4f2a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9de1a35839af25576bfd5f3088242bff"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#a9de1a35839af25576bfd5f3088242bff">m_startPtr</a></td></tr>
<tr class="memdesc:a9de1a35839af25576bfd5f3088242bff"><td class="mdescLeft">&#160;</td><td class="mdescRight">statr pointer of data buffer  <a href="#a9de1a35839af25576bfd5f3088242bff">More...</a><br /></td></tr>
<tr class="separator:a9de1a35839af25576bfd5f3088242bff"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afa9a49f42ffeed0a49c75888c6269fa7"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#afa9a49f42ffeed0a49c75888c6269fa7">m_writePtr</a></td></tr>
<tr class="memdesc:afa9a49f42ffeed0a49c75888c6269fa7"><td class="mdescLeft">&#160;</td><td class="mdescRight">pointer use to write data to buffer  <a href="#afa9a49f42ffeed0a49c75888c6269fa7">More...</a><br /></td></tr>
<tr class="separator:afa9a49f42ffeed0a49c75888c6269fa7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a28586ac01f5bd99ecb8bdc20eb0a1760"><td class="memItemLeft" align="right" valign="top">char&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#a28586ac01f5bd99ecb8bdc20eb0a1760">m_readBuf</a> [20000]</td></tr>
<tr class="memdesc:a28586ac01f5bd99ecb8bdc20eb0a1760"><td class="mdescLeft">&#160;</td><td class="mdescRight">buffer used to store data read  <a href="#a28586ac01f5bd99ecb8bdc20eb0a1760">More...</a><br /></td></tr>
<tr class="separator:a28586ac01f5bd99ecb8bdc20eb0a1760"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acd80c8d3d61f215418010b5bedb871d3"><td class="memItemLeft" align="right" valign="top">unsigned int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cyclic_buffer_controller.html#acd80c8d3d61f215418010b5bedb871d3">m_cycBufSize</a></td></tr>
<tr class="memdesc:acd80c8d3d61f215418010b5bedb871d3"><td class="mdescLeft">&#160;</td><td class="mdescRight">size of cyclic buffer  <a href="#acd80c8d3d61f215418010b5bedb871d3">More...</a><br /></td></tr>
<tr class="separator:acd80c8d3d61f215418010b5bedb871d3"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The class managers a buffer which used to store data form bus and privide data to waveform. </p>
<p>The buffer has a initial size. WritePtr used to write data to the buffer, and decrease relevant value of writableSize after writing, if writableSize is less than the size of data need to write to the buffer, then will write failed. ReadPtr used to read data from buffer, and increase relevant size of writableSize after reading. </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8h_source.html#l00020">20</a> of file <a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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          <td class="memname"><a class="el" href="class_cyclic_buffer_controller.html">CyclicBufferController</a> </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8cpp_source.html#l00016">16</a> of file <a class="el" href="_cyclic_buffer_controller_8cpp_source.html">CyclicBufferController.cpp</a>.</p>

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          <td class="memname">~<a class="el" href="class_cyclic_buffer_controller.html">CyclicBufferController</a> </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
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<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8cpp_source.html#l00027">27</a> of file <a class="el" href="_cyclic_buffer_controller_8cpp_source.html">CyclicBufferController.cpp</a>.</p>

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<h2 class="groupheader">Member Function Documentation</h2>
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          <td class="memname">unsigned int getWritableSize </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Get size of remaining buffer which can be written data. </p>
<dl class="section return"><dt>Returns</dt><dd>remaining buffer's size </dd></dl>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8cpp_source.html#l00038">38</a> of file <a class="el" href="_cyclic_buffer_controller_8cpp_source.html">CyclicBufferController.cpp</a>.</p>

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          <td class="memname">bool initializeDataBuf </td>
          <td>(</td>
          <td class="paramtype">unsigned int&#160;</td>
          <td class="paramname"><em>bufSize</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Initialize data buffer, allocate memory which size is determined by input parameter. </p>
<dl class="section return"><dt>Returns</dt><dd>Result of initialize data buffer. </dd></dl>
<dl class="retval"><dt>Return values</dt><dd>
  <table class="retval">
    <tr><td class="paramname">true</td><td>initialize data buffer successfully </td></tr>
    <tr><td class="paramname">false</td><td>initialize data buffer failed </td></tr>
  </table>
  </dd>
</dl>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8cpp_source.html#l00054">54</a> of file <a class="el" href="_cyclic_buffer_controller_8cpp_source.html">CyclicBufferController.cpp</a>.</p>

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          <td class="memname">char * readData </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>Read data form buffer, a packet one time. </p>
<dl class="section return"><dt>Returns</dt><dd>packet read </dd></dl>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8cpp_source.html#l00141">141</a> of file <a class="el" href="_cyclic_buffer_controller_8cpp_source.html">CyclicBufferController.cpp</a>.</p>

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          <td class="memname">void releaseBuf </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<p>Free the buffer memory. </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8cpp_source.html#l00186">186</a> of file <a class="el" href="_cyclic_buffer_controller_8cpp_source.html">CyclicBufferController.cpp</a>.</p>

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          <td class="memname">bool writeData </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>writedData</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">unsigned int&#160;</td>
          <td class="paramname"><em>dataSize</em>&#160;</td>
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        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>Write data to data buffer. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">writedData</td><td>data need to be writed to the buffer </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">dataSize</td><td>size of data writed</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Result of writing data to buffer. </dd></dl>
<dl class="retval"><dt>Return values</dt><dd>
  <table class="retval">
    <tr><td class="paramname">true</td><td>write successfully. </td></tr>
    <tr><td class="paramname">false</td><td>write failed. </td></tr>
  </table>
  </dd>
</dl>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8cpp_source.html#l00089">89</a> of file <a class="el" href="_cyclic_buffer_controller_8cpp_source.html">CyclicBufferController.cpp</a>.</p>

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<h2 class="groupheader">Member Data Documentation</h2>
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          <td class="memname">unsigned int m_cycBufSize</td>
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  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">private</span></span>  </td>
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<p>size of cyclic buffer </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8h_source.html#l00062">62</a> of file <a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>.</p>

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<p>data buffer to store data read from bus </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8h_source.html#l00037">37</a> of file <a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>.</p>

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<p>end pointer of data buffer </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8h_source.html#l00041">41</a> of file <a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>.</p>

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<p>buffer used to store data read </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8h_source.html#l00057">57</a> of file <a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>.</p>

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<p>pointer used to read data form buffer </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8h_source.html#l00045">45</a> of file <a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>.</p>

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<p>statr pointer of data buffer </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8h_source.html#l00049">49</a> of file <a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>.</p>

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<p>pointer use to write data to buffer </p>

<p>Definition at line <a class="el" href="_cyclic_buffer_controller_8h_source.html#l00053">53</a> of file <a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a>.</p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li>frameworks/libCF_StdPorts/include/<a class="el" href="_cyclic_buffer_controller_8h_source.html">CyclicBufferController.h</a></li>
<li>frameworks/libCF_StdPorts/src/<a class="el" href="_cyclic_buffer_controller_8cpp_source.html">CyclicBufferController.cpp</a></li>
</ul>
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